233 lines
8.6 KiB
Java
233 lines
8.6 KiB
Java
/*
|
|
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
/*
|
|
* @test
|
|
* @bug 8136421
|
|
* @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"
|
|
* @library / /testlibrary
|
|
* @compile ../common/CompilerToVMHelper.java
|
|
* @build compiler.jvmci.compilerToVM.InitializeConfigurationTest
|
|
* @run main ClassFileInstaller
|
|
* jdk.vm.ci.hotspot.CompilerToVMHelper
|
|
* @run main/othervm -Xbootclasspath/a:.
|
|
* -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
|
|
* compiler.jvmci.compilerToVM.InitializeConfigurationTest
|
|
*/
|
|
|
|
package compiler.jvmci.compilerToVM;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.Iterator;
|
|
import java.util.List;
|
|
import java.util.NoSuchElementException;
|
|
import java.util.Objects;
|
|
import java.util.function.Consumer;
|
|
import jdk.vm.ci.hotspot.CompilerToVMHelper;
|
|
import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;
|
|
import jdk.test.lib.Asserts;
|
|
import jdk.test.lib.Utils;
|
|
import sun.misc.Unsafe;
|
|
|
|
public class InitializeConfigurationTest {
|
|
private static final Unsafe UNSAFE = Utils.getUnsafe();
|
|
|
|
public static void main(String args[]) {
|
|
new InitializeConfigurationTest().runTest(generateTestCases());
|
|
}
|
|
|
|
private static List<TestCase> generateTestCases() {
|
|
List<TestCase> result = new ArrayList<>();
|
|
result.add(new TestCase("CodeCache", "_high_bound", "address",
|
|
InitializeConfigurationTest::verifyLongIsNotZero));
|
|
result.add(new TestCase("StubRoutines", "_jint_arraycopy", "address",
|
|
InitializeConfigurationTest::verifyLongIsNotZero));
|
|
return result;
|
|
}
|
|
|
|
private static void verifyLongIsNotZero(Object o) {
|
|
Asserts.assertNotNull(o, "Got null value");
|
|
Asserts.assertEQ(o.getClass(), Long.class, "Unexpected value type");
|
|
Asserts.assertNE(o, 0L, "Got null address");
|
|
}
|
|
|
|
private void runTest(List<TestCase> tcases) {
|
|
VMStructDataReader reader = new VMStructDataReader(
|
|
CompilerToVMHelper.initializeConfiguration(HotSpotJVMCIRuntime.runtime().getConfig()));
|
|
while (reader.hasNext()) {
|
|
VMFieldData data = reader.next();
|
|
for (TestCase tcase : tcases) {
|
|
tcase.check(data);
|
|
}
|
|
}
|
|
// now check if all passed
|
|
for (TestCase tcase: tcases) {
|
|
Asserts.assertTrue(tcase.isFound(), "Case failed: " + tcase);
|
|
}
|
|
}
|
|
|
|
private static class VMStructDataReader implements Iterator<VMFieldData> {
|
|
// see jvmciCompilerToVM:105 static uintptr_t ciHotSpotVMData[28];
|
|
private static final int HOTSPOT_VM_DATA_INDEX_COUNT = 28;
|
|
private final long addresses[];
|
|
private final long vmStructsBase;
|
|
private final long entityNameFieldOffset;
|
|
private final long nameFieldOffset;
|
|
private final long typeStringFieldOffset;
|
|
private final long addressOffset;
|
|
private final long entrySize;
|
|
private long nextElementAddress;
|
|
private VMFieldData nextElement;
|
|
|
|
public VMStructDataReader(long gHotSpotVMData) {
|
|
Asserts.assertNE(gHotSpotVMData, 0L, "Got null base address");
|
|
addresses = new long[HOTSPOT_VM_DATA_INDEX_COUNT];
|
|
for (int i = 0; i < HOTSPOT_VM_DATA_INDEX_COUNT; i++) {
|
|
addresses[i] = UNSAFE.getAddress(
|
|
gHotSpotVMData + Unsafe.ADDRESS_SIZE * i);
|
|
}
|
|
vmStructsBase = addresses[0];
|
|
entityNameFieldOffset = addresses[1];
|
|
nameFieldOffset = addresses[2];
|
|
typeStringFieldOffset = addresses[3];
|
|
addressOffset = addresses[6];
|
|
entrySize = addresses[7];
|
|
nextElementAddress = vmStructsBase;
|
|
nextElement = read();
|
|
}
|
|
|
|
@Override
|
|
public boolean hasNext() {
|
|
return nextElement != null;
|
|
}
|
|
|
|
@Override
|
|
public VMFieldData next() {
|
|
if (nextElement == null) {
|
|
throw new NoSuchElementException("Next element is null");
|
|
}
|
|
VMFieldData toReturn = nextElement;
|
|
nextElementAddress += entrySize;
|
|
nextElement = read();
|
|
return toReturn;
|
|
}
|
|
|
|
private VMFieldData read() {
|
|
String entityFieldName = readCString(
|
|
UNSAFE.getAddress(nextElementAddress + nameFieldOffset));
|
|
if (entityFieldName == null) {
|
|
return null;
|
|
}
|
|
String fieldType = readCString(UNSAFE.getAddress(
|
|
nextElementAddress + typeStringFieldOffset));
|
|
String entityName = readCString(UNSAFE.getAddress(
|
|
nextElementAddress + entityNameFieldOffset));
|
|
Object value;
|
|
if ("address".equals(fieldType)) {
|
|
long address = UNSAFE.getAddress(
|
|
nextElementAddress + addressOffset);
|
|
value = address;
|
|
} else {
|
|
// non-address cases are not supported
|
|
value = null;
|
|
}
|
|
return new VMFieldData(entityName, entityFieldName, fieldType,
|
|
value);
|
|
}
|
|
|
|
private static String readCString(long address) {
|
|
if (address == 0) {
|
|
return null;
|
|
}
|
|
StringBuilder sb = new StringBuilder();
|
|
for (int i = 0;; i++) {
|
|
char c = (char) UNSAFE.getByte(address + i);
|
|
if (c == 0) {
|
|
break;
|
|
}
|
|
sb.append(c);
|
|
}
|
|
return sb.toString();
|
|
}
|
|
}
|
|
|
|
private static class VMFieldData {
|
|
public final String entityFieldName;
|
|
public final String entityName;
|
|
public final String fieldType;
|
|
public final Object value;
|
|
|
|
private VMFieldData(String entityName, String entityFieldName,
|
|
String fieldType, Object value) {
|
|
this.entityName = entityName;
|
|
this.entityFieldName = entityFieldName;
|
|
this.fieldType = fieldType;
|
|
this.value = value;
|
|
}
|
|
}
|
|
|
|
private static class TestCase {
|
|
public final String entityName;
|
|
public final String fieldType;
|
|
public final String entityFieldName;
|
|
public final Consumer consumer;
|
|
private boolean found;
|
|
|
|
public TestCase(String entityName, String entityFieldName,
|
|
String fieldType, Consumer predicate) {
|
|
Objects.requireNonNull(entityName, "Got null entityName");
|
|
Objects.requireNonNull(entityFieldName, "Got null entityFieldName");
|
|
Objects.requireNonNull(fieldType, "Got null type");
|
|
if (!"address".equals(fieldType)) {
|
|
throw new Error("TESTBUG: unsupported testcase with fieldType="
|
|
+ fieldType);
|
|
}
|
|
this.entityName = entityName;
|
|
this.fieldType = fieldType;
|
|
this.entityFieldName = entityFieldName;
|
|
this.consumer = predicate;
|
|
this.found = false;
|
|
}
|
|
|
|
public void check(VMFieldData data) {
|
|
if (entityFieldName.equals(data.entityFieldName)
|
|
&& entityName.equals(data.entityName)
|
|
&& fieldType.equals(data.fieldType)) {
|
|
Asserts.assertFalse(found, "Found 2 entries of " + this);
|
|
found = true;
|
|
consumer.accept(data.value);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return "CASE: entityName=" + entityName + " entityFieldName="
|
|
+ entityFieldName + " fieldType=" + fieldType;
|
|
}
|
|
|
|
public boolean isFound() {
|
|
return found;
|
|
}
|
|
}
|
|
}
|